package cn.mysource.controller;


import cn.mysource.domain.User;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.security.SecurityProperties;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

@RestController
@RequestMapping("order")
public class OrderController {

    //订单调用户
    @Autowired
    private RestTemplate restTemplate;

    @GetMapping("/{id}")
    @HystrixCommand(fallbackMethod = "getUserFallback")
    public User getUser(@PathVariable("id") Long id) {

        //地址不能使用ip加端口的形式 要用user-service
        String url = "http://user-server/user/" + id;
        User user = restTemplate.getForObject(url, User.class);
        return user;
    }

    // 降级方法，参数和返回值必须和被熔断的方法一致 ，方法名要和fallbackMethod的值一致
    public User getUserFallback(@PathVariable("id") Long id){
        return new User(-1l, "服务熔断触发", "用户服务不可用！");
    }
}
